Crawley MacKewn Brush LLP is one of Canada’s top corporate commercial and securities litigation law firms. Based on extensive peer and client reviews, the firm and the firm’s partners are ranked nationally among the best of their peers by the leading legal ranking services.
Corporate Commercial Litigation
Our corporate commercial litigation practice specializes in managing complex high-stakes litigation. We are business litigators who act for plaintiffs and defendants in all manner of corporate and commercial litigation matters including disputes arising out of mergers and acquisitions, breach of contract suits, director and officer liability claims, oppression remedy matters, business tort claims, fraud and cyber-fraud investigations and claims, wrongful dismissal actions, professional negligence suits, corporate governance and accounting issues, and corporate investigations. Crawley MacKewn Brush LLP also has significant expertise litigating professional negligence claims involving securities industry professionals and accountants.
Securities Litigation
Crawley MacKewn Brush LLP is the largest dedicated securities litigation team in Canada. We are ranked in Band 1 (the highest level) for securities litigation by Chambers and are the only boutique law firm in the top Band. Our securities litigators are client-focused and business-minded, providing representation for market partic-ipants in a wide range of disputes and regulatory investigations. We have successfully represented clients in some of the most significant and high-profile securities law cases in Canada.
Our securities litigation practice includes primary and secondary market liability claims, claims arising out the restatement of a company’s financial statements, claims arising out of alleged fraud, claims against investment dealers and advisors in respect of allegedly problematic investment products, strategies and tax shelters, and claims against investment funds, fund managers and traders arising out of allegedly problematic trading strategies. Our firm has particular expertise with investment loss litigation. We have represented clients in cases that range from suitability claims to more complex trading in options, commodities, derivative products and leveraged investing.
Our securities regulatory defence practice includes investigations and enforcement proceedings brought by the OSC and CIRO. We have significant experience with cross-border investigations involving the SEC and other US regulators.
Awards and Rankings
In addition to being awarded Securities Litigation Firm of the Year by Benchmark every year since 2017, Lexpert ranked Crawley MacKewn Brush LLP in 7th position out of 20 law firms for Commercial Litigation in Toronto in 2024. Based on extensive peer and client reviews, Crawley MacKewn Brush LLP is ranked in Band 1 for Securities Litigation by Chambers Canada. Our firm has also been selected as an Excellence Awardee for Liti-gation & Dispute Resolution Boutique Firm of the Year by the Canadian Law Awards.
Partners
Robert Brush: +1 416 217 0822 | rbrush@cmblaw.ca
Michael Byers: +1 416 217 0886 | mbyers@cmblaw.ca
Dana Carson: +1 416 217 0855 | dcarson@cmblaw.ca
Alistair Crawley: +1 416 217 0806 | acrawley@cmblaw.ca
Linda Fuerst: +416 217-0853 l fuerst@cmblaw.ca
Melissa MacKewn: +1 416 217 0840 | mmackewn@cmblaw.ca
Kate McGrann: +1 416 217 0850 | kmcgrann@cmblaw.ca
Matthew Scott: +1 416 217 0870 | mscott@cmblaw.ca
Clarke Tedesco: +1 416 217 0884 | ctedesco@cmblaw.ca
Updated March 2025
